body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont;
  background: #f4f6f9;
  color: #333;
}

header {
  background: linear-gradient(90deg, #0d47a1, #1976d2);
  color: #fff;
  padding: 14px;
  text-align: center;
  font-size: 16px;
}

nav {
  display: flex;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
}

nav a {
  flex: 1;
  text-align: center;
  padding: 10px;
  text-decoration: none;
  color: #666;
}

nav a.active {
  color: #1976d2;
  font-weight: bold;
}

.container {
  padding: 12px;
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,.05);
}

.card h3 {
  margin: 0 0 8px;
}

.data-row {
  display: flex;
  justify-content: space-between;
  margin: 6px 0;
}

.price {
  color: #d4a017;
  font-weight: bold;
}

.btn {
  margin-top: 10px;
  width: 100%;
  padding: 10px;
  background: #1976d2;
  color: #fff;
  border: none;
  border-radius: 6px;
}

.btn.gray {
  background: #999;
}

/* 弹窗 */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  background: rgba(0,0,0,.5);
  align-items: center;
  justify-content: center;
}

.modal .box {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}
/* ===== 列表页专用，降低信息密度 ===== */
.list-card h3 {
  font-size: 1.15rem;        /* 标题更大 */
  margin-bottom: .8rem;
}

.list-card .rate {
  font-size: 1.9rem;         /* 年化收益率放大 */
  margin: .8rem 0;
}

.list-card .data-row {
  font-size: 1rem;           /* 比关注页略大 */
  margin: .6rem 0;
}

.list-card .btn-group {
  margin-top: 1rem;
}

.list-card .btn {
  font-size: 1rem;
  padding: .85rem;
}
/* ===== 年化收益率 箭头 ===== */
.rate {
  display: flex;
  align-items: center;
  gap: .3rem;
}

.rate .arrow {
  font-size: 1.2em;
  line-height: 1;
}

.rate.value-up .arrow {
  color: #e53935;
}

.rate.value-down .arrow {
  color: #2e7d32;
}